For many sports, improving your hand-eye coordination can significantly improve your performance. The SKLZ Reactive Catch Trainer can help. It has a 3-pointed design and can challenge your reaction time and decision making. It is great for warmups too.
The SKLZ Reactive Catch Trainer is pretty easy to use. Simply toss it in the air and call out a color to catch. Due to its unpredictability, athletes will be forced to think and react fast.